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|
// RUN: %target-sil-opt -sil-move-only-address-checker -enable-sil-verify-all %s | %FileCheck %s
sil_stage raw
import Builtin
// #############################################################################
// #############################################################################
// SCALAR STORAGE {{
// #############################################################################
// #############################################################################
sil [ossa] @condition : $@convention(thin) () -> Builtin.Int1
@_moveOnly struct S {
deinit
}
sil [ossa] @get : $@convention(thin) () -> @out S
sil [ossa] @get_value : $@convention(thin) () -> @owned S
sil [ossa] @see : $@convention(thin) (@guaranteed S) -> ()
sil [ossa] @see_addr : $@convention(thin) (@in_guaranteed S) -> ()
sil [ossa] @end : $@convention(thin) (@owned S) -> ()
sil [ossa] @end_addr : $@convention(thin) (@in S) -> ()
sil [ossa] @other : $@convention(thin) () -> ()
// =============================================================================
// =============================================================================
// Single def {{
// =============================================================================
// =============================================================================
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Single block {{
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// A load-copy of the value is passed to a value-consuming function, and the
// storage is destroyed at function end.
//
// Ensure that there is no copy and the lifetime ends at the value-consume.
// CHECK-LABEL: sil [ossa] @singleblock_consume_value_before_other : {{.*}} {
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[GET_VALUE:%[^,]+]] = function_ref @get_value
// CHECK: [[END:%[^,]+]] = function_ref @end
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: [[INSTANCE:%[^,]+]] = apply [[GET_VALUE]]()
// CHECK: store [[INSTANCE]] to [init] [[STACK]]
// CHECK: [[ACCESS:%[^,]+]] = begin_access [modify] [static] [[STACK]]
// CHECK: [[INSTANCE_RELOAD:%[^,]+]] = load [take] [[ACCESS]]
// CHECK: apply [[END]]([[INSTANCE_RELOAD]])
// CHECK: end_access [[ACCESS]]
// CHECK: apply [[OTHER]]()
// CHECK: dealloc_stack [[STACK]]
// CHECK-LABEL: } // end sil function 'singleblock_consume_value_before_other'
sil [ossa] @singleblock_consume_value_before_other : $@convention(thin) () -> () {
bb0:
%other = function_ref @other : $@convention(thin) () -> ()
%get_value = function_ref @get_value : $@convention(thin) () -> @owned S
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%stack_addr = alloc_stack $S
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S
%instance = apply %get_value() : $@convention(thin) () -> @owned S
store %instance to [init] %stack : $*S
%access = begin_access [deinit] [static] %stack : $*S
%instance_reload = load [copy] %access : $*S
apply %end(%instance_reload) : $@convention(thin) (@owned S) -> ()
end_access %access : $*S
%18 = apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S
dealloc_stack %stack_addr : $*S
%retval = tuple ()
return %retval : $()
}
// A load-copy of the value is passed to a value-borrowing function then
// destroyed, and the storage is destroyed at function end.
//
// Ensure that there is no copy and the lifetime ends at function end.
// CHECK-LABEL: sil [ossa] @singleblock_borrow_before_other : {{.*}} {
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[GET_VALUE:%[^,]+]] = function_ref @get_value
// CHECK: [[SEE:%[^,]+]] = function_ref @see
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: [[INSTANCE:%[^,]+]] = apply [[GET_VALUE]]()
// CHECK: store [[INSTANCE]] to [init] [[STACK]]
// CHECK: [[ACCESS:%[^,]+]] = begin_access [deinit] [static] [[STACK]]
// CHECK: [[BORROW:%[^,]+]] = load_borrow [[ACCESS]]
// CHECK: apply [[SEE]]([[BORROW]])
// CHECK: end_borrow [[BORROW]]
// CHECK: end_access [[ACCESS]]
// CHECK: apply [[OTHER]]()
// CHECK: destroy_addr [[STACK]]
// CHECK: dealloc_stack [[STACK]]
// CHECK-LABEL: } // end sil function 'singleblock_borrow_before_other'
sil [ossa] @singleblock_borrow_before_other : $@convention(thin) () -> () {
bb0:
%other = function_ref @other : $@convention(thin) () -> ()
%get_value = function_ref @get_value : $@convention(thin) () -> @owned S
%see = function_ref @see : $@convention(thin) (@guaranteed S) -> ()
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%stack_addr = alloc_stack $S
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S
%instance = apply %get_value() : $@convention(thin) () -> @owned S
store %instance to [init] %stack : $*S
%access = begin_access [deinit] [static] %stack : $*S
%instance_reload = load [copy] %access : $*S
apply %see(%instance_reload) : $@convention(thin) (@guaranteed S) -> ()
destroy_value %instance_reload : $S
end_access %access : $*S
%18 = apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S
dealloc_stack %stack_addr : $*S
%retval = tuple ()
return %retval : $()
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// }} Single block
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Multiple blocks {{
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// There is a consuming use in right. So bottom is a consumed block. Liveness
// is retracted up to the consume in right and up to the bottom of left.
// CHECK-LABEL: sil [ossa] @diamond__consume_r__use_l__destroy_b : {{.*}} {
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: [[GET:%[^,]+]] = function_ref @get
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[SEE_ADDR:%[^,]+]] = function_ref @see_addr
// CHECK: [[END:%[^,]+]] = function_ref @end
// CHECK: apply [[GET]]([[STACK]])
// CHECK: cond_br undef, [[LEFT:bb[0-9]+]], [[RIGHT:bb[0-9]+]]
// CHECK: [[LEFT:bb[0-9]+]]:
// CHECK: apply [[SEE_ADDR]]([[STACK]])
// CHECK: apply [[OTHER]]()
// CHECK: destroy_addr [[STACK]]
// CHECK: br [[BOTTOM:bb[0-9]+]]
// CHECK: [[RIGHT:bb[0-9]+]]:
// CHECK: [[INSTANCE:%[^,]+]] = load [take] [[STACK]]
// CHECK: apply [[END]]([[INSTANCE]])
// CHECK: br [[BOTTOM]]
// CHECK: [[BOTTOM]]:
// CHECK-LABEL: } // end sil function 'diamond__consume_r__use_l__destroy_b'
sil [ossa] @diamond__consume_r__use_l__destroy_b : $@convention(thin) () -> () {
top:
%stack_addr = alloc_stack $S
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S
%get = function_ref @get : $@convention(thin) () -> @out S
%other = function_ref @other : $@convention(thin) () -> ()
%see = function_ref @see : $@convention(thin) (@guaranteed S) -> ()
%see_addr = function_ref @see_addr : $@convention(thin) (@in_guaranteed S) -> ()
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%end_addr = function_ref @end_addr : $@convention(thin) (@in S) -> ()
apply %get(%stack) : $@convention(thin) () -> @out S
cond_br undef, left, right
left:
apply %see_addr(%stack) : $@convention(thin) (@in_guaranteed S) -> ()
apply %other() : $@convention(thin) () -> ()
br bottom
right:
%copy = load [copy] %stack : $*S
apply %end(%copy) : $@convention(thin) (@owned S) -> ()
br bottom
bottom:
destroy_addr %stack : $*S
dealloc_stack %stack_addr : $*S
%retval = tuple ()
return %retval : $()
}
// Only bottom is consumedAtEntry.
// CHECK-LABEL: sil [ossa] @diamond_2r__consume_r1r2__use_l__destroy_b : {{.*}} {
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: [[GET:%[^,]+]] = function_ref @get
// CHECK: [[SEE:%[^,]+]] = function_ref @see
// CHECK: [[END:%[^,]+]] = function_ref @end
// CHECK: apply [[GET]]([[STACK]])
// CHECK: cond_br undef, [[LEFT:bb[0-9]+]], [[RIGHT:bb[0-9]+]]
// CHECK: [[LEFT]]:
// CHECK: [[BORROW:%[^,]+]] = load_borrow [[STACK]]
// CHECK: apply [[SEE]]([[BORROW]])
// CHECK: end_borrow [[BORROW]]
// CHECK: destroy_addr [[STACK]]
// CHECK: br [[BOTTOM:bb[0-9]+]]
// CHECK: [[RIGHT]]:
// CHECK: [[BORROW_2:%[^,]+]] = load_borrow [[STACK]]
// CHECK: apply [[SEE]]([[BORROW_2]])
// CHECK: end_borrow [[BORROW_2]]
// CHECK: br [[RIGHT_2:bb[0-9]+]]
// CHECK: [[RIGHT_2]]:
// CHECK: [[TAKE:%[^,]+]] = load [take] [[STACK]]
// CHECK: apply [[END]]([[TAKE]])
// CHECK: br [[BOTTOM]]
// CHECK: [[BOTTOM]]:
// CHECK-LABEL: } // end sil function 'diamond_2r__consume_r1r2__use_l__destroy_b'
sil [ossa] @diamond_2r__consume_r1r2__use_l__destroy_b : $@convention(thin) () -> () {
top:
%stack_addr = alloc_stack $S
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S
%get = function_ref @get : $@convention(thin) () -> @out S
%other = function_ref @other : $@convention(thin) () -> ()
%see = function_ref @see : $@convention(thin) (@guaranteed S) -> ()
%see_addr = function_ref @see_addr : $@convention(thin) (@in_guaranteed S) -> ()
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%end_addr = function_ref @end_addr : $@convention(thin) (@in S) -> ()
apply %get(%stack) : $@convention(thin) () -> @out S
cond_br undef, left, right
left:
%copy3 = load [copy] %stack : $*S
apply %see(%copy3) : $@convention(thin) (@guaranteed S) -> ()
destroy_value %copy3 : $S
br bottom
right:
%copy = load [copy] %stack : $*S
apply %see(%copy) : $@convention(thin) (@guaranteed S) -> ()
destroy_value %copy : $S
br right2
right2:
%copy2 = load [copy] %stack : $*S
apply %end(%copy2) : $@convention(thin) (@owned S) -> ()
br bottom
bottom:
destroy_addr %stack : $*S
dealloc_stack %stack_addr : $*S
%retval = tuple ()
return %retval : $()
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// }} Multiple blocks
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// =============================================================================
// =============================================================================
// }} Single def
// =============================================================================
// =============================================================================
// =============================================================================
// =============================================================================
// Multiple defs {{
// =============================================================================
// =============================================================================
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Multiple blocks {{
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Like diamond__consume_r__use_l__destroy_b but with a copy_addr [take] reinit
// in left. The reinit is after an apply of other.
//
// Ensure that the destroy from that deinit remains at the same location--it
// will be split into a separate instruction.
//
// TODO: Avoid the unnecessary churn of that splitting.
// CHECK-LABEL: sil [ossa] @diamond__consume_r__reinit_l__use_l__destroy_b : {{.*}} {
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: [[GET:%[^,]+]] = function_ref @get
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[SEE_ADDR:%[^,]+]] = function_ref @see_addr
// CHECK: [[END:%[^,]+]] = function_ref @end
// CHECK: apply [[GET]]([[STACK]])
// CHECK: cond_br undef, [[LEFT:bb[0-9]+]], [[RIGHT:bb[0-9]+]]
// CHECK: [[LEFT:bb[0-9]+]]:
// CHECK: apply [[OTHER]]()
// CHECK: destroy_addr [[STACK]]
// CHECK: apply [[SEE_ADDR]]([[STACK]])
// CHECK: apply [[OTHER]]()
// CHECK: destroy_addr [[STACK]]
// CHECK: br [[BOTTOM:bb[0-9]+]]
// CHECK: [[RIGHT:bb[0-9]+]]:
// CHECK: [[INSTANCE:%[^,]+]] = load [take] [[STACK]]
// CHECK: apply [[END]]([[INSTANCE]])
// CHECK: br [[BOTTOM]]
// CHECK: [[BOTTOM]]:
// CHECK-LABEL: } // end sil function 'diamond__consume_r__reinit_l__use_l__destroy_b'
sil [ossa] @diamond__consume_r__reinit_l__use_l__destroy_b : $@convention(thin) () -> () {
top:
%stack_addr = alloc_stack $S
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S
%get = function_ref @get : $@convention(thin) () -> @out S
%other = function_ref @other : $@convention(thin) () -> ()
%see = function_ref @see : $@convention(thin) (@guaranteed S) -> ()
%see_addr = function_ref @see_addr : $@convention(thin) (@in_guaranteed S) -> ()
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%end_addr = function_ref @end_addr : $@convention(thin) (@in S) -> ()
apply %get(%stack) : $@convention(thin) () -> @out S
cond_br undef, left, right
left:
apply %other() : $@convention(thin) () -> ()
%stack2 = alloc_stack $S
apply %get(%stack2) : $@convention(thin) () -> @out S
copy_addr [take] %stack2 to %stack : $*S
dealloc_stack %stack2 : $*S
apply %see_addr(%stack) : $@convention(thin) (@in_guaranteed S) -> ()
apply %other() : $@convention(thin) () -> ()
br bottom
right:
%copy = load [copy] %stack : $*S
apply %end(%copy) : $@convention(thin) (@owned S) -> ()
br bottom
bottom:
destroy_addr %stack : $*S
dealloc_stack %stack_addr : $*S
%retval = tuple ()
return %retval : $()
}
// Like diamond__consume_r__reinit_l__use_l__destroy_b with a store [assign]
// reinit in left. The reinit is after an apply of other.
//
// Ensure that the destroy from that deinit remains at the same location--it
// will be split into a separate instruction.
//
// TODO: Avoid the unnecessary churn of that splitting.
// CHECK-LABEL: sil [ossa] @diamond__consume_r__reinit_l__use_l__destroy_b2 : {{.*}} {
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: [[GET:%[^,]+]] = function_ref @get
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[SEE_ADDR:%[^,]+]] = function_ref @see_addr
// CHECK: [[END:%[^,]+]] = function_ref @end
// CHECK: apply [[GET]]([[STACK]])
// CHECK: cond_br undef, [[LEFT:bb[0-9]+]], [[RIGHT:bb[0-9]+]]
// CHECK: [[LEFT:bb[0-9]+]]:
// CHECK: apply [[OTHER]]()
// CHECK: destroy_addr [[STACK]]
// CHECK: apply [[SEE_ADDR]]([[STACK]])
// CHECK: apply [[OTHER]]()
// CHECK: destroy_addr [[STACK]]
// CHECK: br [[BOTTOM:bb[0-9]+]]
// CHECK: [[RIGHT:bb[0-9]+]]:
// CHECK: [[INSTANCE:%[^,]+]] = load [take] [[STACK]]
// CHECK: apply [[END]]([[INSTANCE]])
// CHECK: br [[BOTTOM]]
// CHECK: [[BOTTOM]]:
// CHECK-LABEL: } // end sil function 'diamond__consume_r__reinit_l__use_l__destroy_b2'
sil [ossa] @diamond__consume_r__reinit_l__use_l__destroy_b2 : $@convention(thin) () -> () {
top:
%stack_addr = alloc_stack $S
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S
%get = function_ref @get : $@convention(thin) () -> @out S
%get_value = function_ref @get_value : $@convention(thin) () -> @owned S
%other = function_ref @other : $@convention(thin) () -> ()
%see = function_ref @see : $@convention(thin) (@guaranteed S) -> ()
%see_addr = function_ref @see_addr : $@convention(thin) (@in_guaranteed S) -> ()
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%end_addr = function_ref @end_addr : $@convention(thin) (@in S) -> ()
apply %get(%stack) : $@convention(thin) () -> @out S
cond_br undef, left, right
left:
apply %other() : $@convention(thin) () -> ()
%new = apply %get_value() : $@convention(thin) () -> @owned S
store %new to [assign] %stack : $*S
apply %see_addr(%stack) : $@convention(thin) (@in_guaranteed S) -> ()
apply %other() : $@convention(thin) () -> ()
br bottom
right:
%copy = load [copy] %stack : $*S
apply %end(%copy) : $@convention(thin) (@owned S) -> ()
br bottom
bottom:
destroy_addr %stack : $*S
dealloc_stack %stack_addr : $*S
%retval = tuple ()
return %retval : $()
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// }} Multiple blocks
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// =============================================================================
// =============================================================================
// }} Multiple defs
// =============================================================================
// =============================================================================
// #############################################################################
// #############################################################################
// }} SCALAR STORAGE
// #############################################################################
// #############################################################################
// #############################################################################
// #############################################################################
// AGGREGATE STORAGE {{
// #############################################################################
// #############################################################################
@_moveOnly struct S2 {
var s1: S
var s2: S
}
sil [ossa] @get_value_S2 : $@convention(thin) () -> @owned S2
sil [ossa] @end_S2 : $@convention(thin) (@owned S2) -> ()
@_moveOnly struct S3 {
var s1: S
var s2: S
var s3: S
}
sil [ossa] @get_value_S3 : $@convention(thin) () -> @owned S3
sil [ossa] @end_S3 : $@convention(thin) (@owned S3) -> ()
// =============================================================================
// =============================================================================
// Single def {{
// =============================================================================
// =============================================================================
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Single block {{
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// The apply of other remains before the destroy_addr.
// CHECK-LABEL: sil [ossa] @aggregate_1 : {{.*}} {
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: apply [[OTHER]]()
// CHECK: destroy_addr [[STACK]]
// CHECK-LABEL: } // end sil function 'aggregate_1'
sil [ossa] @aggregate_1 : $@convention(thin) () -> () {
bb0:
%get_value_S2 = function_ref @get_value_S2 : $@convention(thin) () -> @owned S2
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%other = function_ref @other : $@convention(thin) () -> ()
%stack_addr = alloc_stack $S2
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S2
%instance_1 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
store %instance_1 to [init] %stack : $*S2
apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S2
dealloc_stack %stack_addr : $*S2
%retval = tuple ()
return %retval : $()
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// }} Single block
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// =============================================================================
// =============================================================================
// }} Single def
// =============================================================================
// =============================================================================
// =============================================================================
// =============================================================================
// Multiple defs {{
// =============================================================================
// =============================================================================
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Single block {{
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Calls to other before each destroy remain before.
// CHECK-LABEL: sil [ossa] @aggregate_2 : {{.*}} {
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: apply [[OTHER]]()
// CHECK: destroy_addr [[STACK]] : $*S2
// CHECK: apply [[OTHER]]()
// CHECK: destroy_addr [[STACK]] : $*S2
// CHECK-LABEL: } // end sil function 'aggregate_2'
sil [ossa] @aggregate_2 : $@convention(thin) () -> () {
bb0:
%get_value_S2 = function_ref @get_value_S2 : $@convention(thin) () -> @owned S2
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%other = function_ref @other : $@convention(thin) () -> ()
%stack_addr = alloc_stack $S2
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S2
%instance_1 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
store %instance_1 to [init] %stack : $*S2
%instance_2 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
apply %other() : $@convention(thin) () -> ()
store %instance_2 to [assign] %stack : $*S2
apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S2
dealloc_stack %stack_addr : $*S2
%retval = tuple ()
return %retval : $()
}
// s1 is consumed but s2 is not and so is not destroyed until function end, after
// other.
// CHECK-LABEL: sil [ossa] @simpleTestVar2 : {{.*}} {
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: apply [[OTHER]]()
// CHECK: [[S2_ADDR:%[^,]+]] = struct_element_addr [[STACK]] : $*S2, #S2.s2
// CHECK: destroy_addr [[S2_ADDR]]
// CHECK-LABEL: } // end sil function 'simpleTestVar2'
sil [ossa] @simpleTestVar2 : $@convention(thin) () -> () {
bb0:
%get_value_S2 = function_ref @get_value_S2 : $@convention(thin) () -> @owned S2
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%other = function_ref @other : $@convention(thin) () -> ()
%stack_addr = alloc_stack $S2
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S2
%instance_1 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
store %instance_1 to [init] %stack : $*S2
%instance_2 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
%access = begin_access [modify] [static] %stack : $*S2
store %instance_2 to [assign] %access : $*S2
end_access %access : $*S2
%access_2 = begin_access [deinit] [static] %stack : $*S2
%s1_addr = struct_element_addr %access_2 : $*S2, #S2.s1
%s1 = load [copy] %s1_addr : $*S
apply %end(%s1) : $@convention(thin) (@owned S) -> ()
end_access %access_2 : $*S2
apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S2
dealloc_stack %stack_addr : $*S2
%retval = tuple ()
return %retval : $()
}
// Both fields (#S2.s1, #S2.s2) are consumed before other.
// CHECK-LABEL: sil [ossa] @simpleTestVar3 : {{.*}} {
// CHECK: [[END:%[^,]+]] = function_ref @end
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: begin_access
// CHECK: [[ACCESS_1:%[^,]+]] = begin_access [modify] [static] [[STACK]]
// CHECK: [[S1_ADDR:%[^,]+]] = struct_element_addr [[ACCESS_1]] : $*S2, #S2.s1
// CHECK: [[S1:%[^,]+]] = load [take] [[S1_ADDR]]
// CHECK: apply [[END]]([[S1]])
// CHECK: [[ACCESS_2:%[^,]+]] = begin_access [modify] [static] [[STACK]]
// CHECK: [[S2_ADDR:%[^,]+]] = struct_element_addr [[ACCESS_2]] : $*S2, #S2.s2
// CHECK: [[S2:%[^,]+]] = load [take] [[S2_ADDR]]
// CHECK: apply [[END]]([[S2]])
// CHECK: apply [[OTHER]]()
// CHECK-LABEL: } // end sil function 'simpleTestVar3'
sil [ossa] @simpleTestVar3 : $@convention(thin) () -> () {
bb0:
%get_value_S2 = function_ref @get_value_S2 : $@convention(thin) () -> @owned S2
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%other = function_ref @other : $@convention(thin) () -> ()
%stack_addr = alloc_stack $S2
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S2
%instance_1 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
store %instance_1 to [init] %stack : $*S2
%instance_2 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
%access = begin_access [modify] [static] %stack : $*S2
store %instance_2 to [assign] %access : $*S2
end_access %access : $*S2
%access_2 = begin_access [deinit] [static] %stack : $*S2
%s1_addr = struct_element_addr %access_2 : $*S2, #S2.s1
%s1 = load [copy] %s1_addr : $*S
apply %end(%s1) : $@convention(thin) (@owned S) -> ()
end_access %access_2 : $*S2
%access_3 = begin_access [deinit] [static] %stack : $*S2
%s2_addr = struct_element_addr %access_3 : $*S2, #S2.s2
%s2 = load [copy] %s2_addr : $*S
apply %end(%s2) : $@convention(thin) (@owned S) -> ()
end_access %access_3 : $*S2
apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S2
dealloc_stack %stack_addr : $*S2
%retval = tuple ()
return %retval : $()
}
// Addr is initialized, then both fields are individually consumed before other.
// Then addr is initialized again and neither field is consumed; then other is
// applied again.
//
// Ensure that the reinitialized fields survive to function end.
//
// CHECK-LABEL: sil [ossa] @simpleTestVar3a : {{.*}} {
// CHECK: [[GET_VALUE_S2:%[^,]+]] = function_ref @get_value_S2
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: apply [[OTHER]]()
// CHECK: [[INSTANCE_3:%[^,]+]] = apply [[GET_VALUE_S2]]()
// CHECK: [[ACCESS:%[^,]+]] = begin_access [modify] [static] [[STACK]]
// CHECK: store [[INSTANCE_3]] to [init] [[ACCESS]]
// CHECK: end_access [[ACCESS]]
// CHECK: apply [[OTHER]]() : $@convention(thin) () -> ()
// CHECK: destroy_addr [[STACK]]
// CHECK-LABEL: } // end sil function 'simpleTestVar3a'
sil [ossa] @simpleTestVar3a : $@convention(thin) () -> () {
bb0:
%get_value_S2 = function_ref @get_value_S2 : $@convention(thin) () -> @owned S2
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%other = function_ref @other : $@convention(thin) () -> ()
%stack_addr = alloc_stack $S2
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S2
%instance_1 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
store %instance_1 to [init] %stack : $*S2
%instance_2 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
%access_1 = begin_access [modify] [static] %stack : $*S2
store %instance_2 to [assign] %access_1 : $*S2
end_access %access_1 : $*S2
%access_2 = begin_access [deinit] [static] %stack : $*S2
%s1_addr = struct_element_addr %access_2 : $*S2, #S2.s1
%s1 = load [copy] %s1_addr : $*S
apply %end(%s1) : $@convention(thin) (@owned S) -> ()
end_access %access_2 : $*S2
%access_3 = begin_access [deinit] [static] %stack : $*S2
%s2_addr = struct_element_addr %access_3 : $*S2, #S2.s2
%s2 = load [copy] %s2_addr : $*S
apply %end(%s2) : $@convention(thin) (@owned S) -> ()
end_access %access_3 : $*S2
apply %other() : $@convention(thin) () -> ()
%instance_3 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
%access_4 = begin_access [modify] [static] %stack : $*S2
store %instance_3 to [assign] %access_4 : $*S2
end_access %access_4 : $*S2
apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S2
dealloc_stack %stack_addr : $*S2
%retval = tuple ()
return %retval : $()
}
// Like simpleTestVar3a but without access scopes and the original init.
// CHECK-LABEL: sil [ossa] @simpleTestVar3a_simplified : {{.*}} {
// CHECK: [[GET_VALUE_S2:%[^,]+]] = function_ref @get_value_S2
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: apply [[OTHER]]()
// CHECK: [[INSTANCE_2:%[^,]+]] = apply [[GET_VALUE_S2]]()
// CHECK: store [[INSTANCE_2]] to [init] [[STACK]]
// CHECK: apply [[OTHER]]() : $@convention(thin) () -> ()
// CHECK: destroy_addr [[STACK]]
// CHECK-LABEL: } // end sil function 'simpleTestVar3a_simplified'
sil [ossa] @simpleTestVar3a_simplified : $@convention(thin) () -> () {
bb0:
%get_value_S2 = function_ref @get_value_S2 : $@convention(thin) () -> @owned S2
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%other = function_ref @other : $@convention(thin) () -> ()
%stack_addr = alloc_stack $S2
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S2
%instance_1 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
store %instance_1 to [init] %stack : $*S2
%s1_addr = struct_element_addr %stack : $*S2, #S2.s1
%s1 = load [copy] %s1_addr : $*S
apply %end(%s1) : $@convention(thin) (@owned S) -> ()
%s2_addr = struct_element_addr %stack : $*S2, #S2.s2
%s2 = load [copy] %s2_addr : $*S
apply %end(%s2) : $@convention(thin) (@owned S) -> ()
apply %other() : $@convention(thin) () -> ()
%instance_2 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
store %instance_2 to [assign] %stack : $*S2
apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S2
dealloc_stack %stack_addr : $*S2
%retval = tuple ()
return %retval : $()
}
// Ensure that first initialized liveness remains until original destroy.
// And ensure that reinitialized fields live until function exit.
// CHECK-LABEL: sil [ossa] @simpleTestVar3a_simplified_vary2 : {{.*}} {
// CHECK: [[GET_VALUE:%[^,]+]] = function_ref @get_value
// CHECK: [[SEE:%[^,]+]] = function_ref @see
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[STACK:%[^,]+]] = alloc_stack $S
// CHECK: [[INSTANCE_1:%[^,]+]] = apply [[GET_VALUE]]()
// CHECK: store [[INSTANCE_1]] to [init] [[STACK]]
// CHECK: [[BORROW:%[^,]+]] = load_borrow [[STACK]]
// CHECK: apply [[SEE]]([[BORROW]])
// CHECK: end_borrow [[BORROW]]
// CHECK: apply [[OTHER]]()
// CHECK: [[INSTANCE_2:%[^,]+]] = apply [[GET_VALUE]]()
// CHECK: destroy_addr [[STACK]]
// CHECK: store [[INSTANCE_2]] to [init] [[STACK]]
// CHECK: apply [[OTHER]]()
// CHECK: destroy_addr [[STACK]]
// CHECK-LABEL: } // end sil function 'simpleTestVar3a_simplified_vary2'
sil [ossa] @simpleTestVar3a_simplified_vary2 : $@convention(thin) () -> () {
bb0:
%get_value = function_ref @get_value : $@convention(thin) () -> @owned S
%see = function_ref @see : $@convention(thin) (@guaranteed S) -> ()
%other = function_ref @other : $@convention(thin) () -> ()
%stack_addr = alloc_stack $S
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S
%instance_1 = apply %get_value() : $@convention(thin) () -> @owned S
store %instance_1 to [init] %stack : $*S
%s = load_borrow %stack : $*S
apply %see(%s) : $@convention(thin) (@guaranteed S) -> ()
end_borrow %s : $S
apply %other() : $@convention(thin) () -> ()
%instance_2 = apply %get_value() : $@convention(thin) () -> @owned S
store %instance_2 to [assign] %stack : $*S
apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S
dealloc_stack %stack_addr : $*S
%retval = tuple ()
return %retval : $()
}
// s1 is consumed at @end. s2 is never consumed so it's destroyed at function
// end.
// CHECK-LABEL: sil [ossa] @simpleTestVar3b : {{.*}} {
// CHECK: [[END:%[^,]+]] = function_ref @end
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: begin_access
// CHECK: [[ACCESS:%[^,]+]] = begin_access [modify] [static] [[STACK]]
// CHECK: [[S1_ADDR:%[^,]+]] = struct_element_addr [[ACCESS]] : $*S2, #S2.s1
// CHECK: [[S1:%[^,]+]] = load [take] [[S1_ADDR]]
// CHECK: apply [[END]]([[S1]])
// CHECK: apply [[OTHER]]()
// CHECK: [[S2_ADDR:%[^,]+]] = struct_element_addr [[STACK]] : $*S2, #S2.s2
// CHECK: destroy_addr [[S2_ADDR]]
// CHECK-LABEL: } // end sil function 'simpleTestVar3b'
sil [ossa] @simpleTestVar3b : $@convention(thin) () -> () {
bb0:
%get_value_S2 = function_ref @get_value_S2 : $@convention(thin) () -> @owned S2
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%see = function_ref @see : $@convention(thin) (@guaranteed S) -> ()
%other = function_ref @other : $@convention(thin) () -> ()
%stack_addr = alloc_stack $S2
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S2
%instance_1 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
store %instance_1 to [init] %stack : $*S2
%instance_2 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
%access_1 = begin_access [modify] [static] %stack : $*S2
store %instance_2 to [assign] %access_1 : $*S2
end_access %access_1 : $*S2
%access_2 = begin_access [deinit] [static] %stack : $*S2
%s1_addr = struct_element_addr %access_2 : $*S2, #S2.s1
%s1 = load [copy] %s1_addr : $*S
apply %end(%s1) : $@convention(thin) (@owned S) -> ()
end_access %access_2 : $*S2
%access_3 = begin_access [read] [static] %stack : $*S2
%s2_addr = struct_element_addr %access_3 : $*S2, #S2.s2
%s2 = load [copy] %s2_addr : $*S
apply %see(%s2) : $@convention(thin) (@guaranteed S) -> ()
destroy_value %s2 : $S
end_access %access_3 : $*S2
apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S2
dealloc_stack %stack_addr : $*S2
%retval = tuple ()
return %retval : $()
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// }} Single block
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// {{ Multiple blocks
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Ensure that liveness extends to destroy in live-at-entry block where no def
// precedes destroy. And ensure that the reinit stack stays live until
// function exit.
// CHECK-LABEL: sil [ossa] @simpleTestVar3a_simplified_vary : {{.*}} {
// CHECK: [[GET_VALUE_S2:%[^,]+]] = function_ref @get_value_S2
// CHECK: [[SEE:%[^,]+]] = function_ref @see
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[STACK:%[^,]+]] = alloc_stack $S2
// CHECK: [[INSTANCE_1:%[^,]+]] = apply [[GET_VALUE_S2]]()
// CHECK: store [[INSTANCE_1]] to [init] [[STACK]]
// CHECK: [[S1_ADDR:%[^,]+]] = struct_element_addr [[STACK]]
// CHECK: [[S1:%[^,]+]] = load_borrow [[S1_ADDR]]
// CHECK: apply [[SEE]]([[S1]])
// CHECK: end_borrow [[S1]]
// CHECK: [[S2_ADDR:%[^,]+]] = struct_element_addr [[STACK]]
// CHECK: [[S2:%[^,]+]] = load_borrow [[S2_ADDR]]
// CHECK: apply [[SEE]]([[S2]])
// CHECK: end_borrow [[S2]]
// CHECK: apply [[OTHER]]()
// CHECK: [[INSTANCE_2:%[^,]+]] = apply [[GET_VALUE_S2]]()
// CHECK: br bb1
// CHECK: bb1:
// CHECK: destroy_addr [[STACK]]
// CHECK: store [[INSTANCE_2]] to [init] [[STACK]]
// CHECK: apply [[OTHER]]()
// CHECK: destroy_addr [[STACK]]
// CHECK-LABEL: } // end sil function 'simpleTestVar3a_simplified_vary'
sil [ossa] @simpleTestVar3a_simplified_vary : $@convention(thin) () -> () {
bb0:
%get_value_S2 = function_ref @get_value_S2 : $@convention(thin) () -> @owned S2
%see = function_ref @see : $@convention(thin) (@guaranteed S) -> ()
%other = function_ref @other : $@convention(thin) () -> ()
%stack_addr = alloc_stack $S2
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S2
%instance_1 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
store %instance_1 to [init] %stack : $*S2
%s1_addr = struct_element_addr %stack : $*S2, #S2.s1
%s1 = load_borrow %s1_addr : $*S
apply %see(%s1) : $@convention(thin) (@guaranteed S) -> ()
end_borrow %s1 : $S
%s2_addr = struct_element_addr %stack : $*S2, #S2.s2
%s2 = load_borrow %s2_addr : $*S
apply %see(%s2) : $@convention(thin) (@guaranteed S) -> ()
end_borrow %s2 : $S
apply %other() : $@convention(thin) () -> ()
%instance_3 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
br bb1
bb1:
store %instance_3 to [assign] %stack : $*S2
apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S2
dealloc_stack %stack_addr : $*S2
%retval = tuple ()
return %retval : $()
}
// Stack is initialized twice, in entry and middle. In each case, it is passed
// to a consuming function on the left block and unused on the right block; and
// each right block contains an apply of other.
//
// Verify that the destroy in each right block is after the apply of other.
// CHECK-LABEL: sil [ossa] @simpleTestVar4 : {{.*}} {
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: cond_br {{%[^,]+}}, [[LEFT_1:bb[0-9]+]], [[RIGHT_1:bb[0-9]+]]
// CHECK: [[LEFT_1]]:
// CHECK: br [[MIDDLE:bb[0-9]+]]
// CHECK: [[RIGHT_1]]:
// CHECK: apply [[OTHER]]()
// CHECK: destroy_addr [[STACK]]
// CHECK: br [[MIDDLE]]
// CHECK: [[MIDDLE]]:
// CHECK: cond_br {{%[^,]+}}, [[LEFT_2:bb[0-9]+]], [[RIGHT_2:bb[0-9]+]]
// CHECK: [[LEFT_2]]:
// CHECK: br [[EXIT:bb[0-9]+]]
// CHECK: [[RIGHT_2]]:
// CHECK: destroy_addr [[STACK]]
// CHECK: apply [[OTHER]]() : $@convention(thin) () -> ()
// CHECK: br [[EXIT]]
// CHECK-LABEL: } // end sil function 'simpleTestVar4'
sil [ossa] @simpleTestVar4 : $@convention(thin) () -> () {
entry:
%get_value_S2 = function_ref @get_value_S2 : $@convention(thin) () -> @owned S2
%condition = function_ref @condition : $@convention(thin) () -> Builtin.Int1
%end_S2 = function_ref @end_S2 : $@convention(thin) (@owned S2) -> ()
%other = function_ref @other : $@convention(thin) () -> ()
%stack_addr = alloc_stack $S2
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S2
%instance_1 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
store %instance_1 to [init] %stack : $*S2
%instance_2 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
%access_1 = begin_access [modify] [static] %stack : $*S2
store %instance_2 to [assign] %access_1 : $*S2
end_access %access_1 : $*S2
%which_1 = apply %condition() : $@convention(thin) () -> Builtin.Int1
cond_br %which_1, left_1, right_1
left_1:
%access_2 = begin_access [deinit] [static] %stack : $*S2
%reload_1 = load [copy] %access_2 : $*S2
apply %end_S2(%reload_1) : $@convention(thin) (@owned S2) -> ()
end_access %access_2 : $*S2
br middle
right_1:
apply %other() : $@convention(thin) () -> ()
br middle
middle:
%instance_3 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
%access_3 = begin_access [modify] [static] %stack : $*S2
store %instance_3 to [assign] %access_3 : $*S2
end_access %access_3 : $*S2
%which_2 = apply %condition() : $@convention(thin) () -> Builtin.Int1
cond_br %which_2, left_2, right_2
left_2:
%access_4 = begin_access [deinit] [static] %stack : $*S2
%reload_2 = load [copy] %access_4 : $*S2
apply %end_S2(%reload_2) : $@convention(thin) (@owned S2) -> ()
end_access %access_4 : $*S2
br end
right_2:
apply %other() : $@convention(thin) () -> ()
br end
end:
%retval = tuple ()
destroy_addr %stack : $*S2
dealloc_stack %stack_addr : $*S2
return %retval : $()
}
// One field is consumed in either branch: s1 in left, s2 in right. The other
// field should live until the end of the block.
// CHECK-LABEL: sil [ossa] @simpleTestVar6 : $@convention(thin) () -> () {
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: cond_br {{%[^,]+}}, [[LEFT:bb[0-9]+]], [[RIGHT:bb[0-9]+]]
// CHECK: [[LEFT]]:
// CHECK: apply [[OTHER]]()
// CHECK: [[S2_ADDR:%[^,]+]] = struct_element_addr [[STACK]] : $*S2, #S2.s2
// CHECK: destroy_addr [[S2_ADDR]] : $*S
// CHECK: br [[EXIT:bb[0-9]+]]
// CHECK: [[RIGHT]]:
// CHECK: apply [[OTHER]]()
// CHECK: [[S1_ADDR:%[^,]+]] = struct_element_addr [[STACK]] : $*S2, #S2.s1
// CHECK: destroy_addr [[S1_ADDR]] : $*S
// CHECK: br [[EXIT]]
// CHECK: [[EXIT]]:
// CHECK-LABEL: } // end sil function 'simpleTestVar6'
sil [ossa] @simpleTestVar6 : $@convention(thin) () -> () {
entry:
%get_value_S2 = function_ref @get_value_S2 : $@convention(thin) () -> @owned S2
%condition = function_ref @condition : $@convention(thin) () -> Builtin.Int1
%other = function_ref @other : $@convention(thin) () -> ()
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%stack_addr = alloc_stack $S2
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S2
%instance_1 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
store %instance_1 to [init] %stack : $*S2
%instance_2 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
%access_1 = begin_access [modify] [static] %stack : $*S2
store %instance_2 to [assign] %access_1 : $*S2
end_access %access_1 : $*S2
%which = apply %condition() : $@convention(thin) () -> Builtin.Int1
cond_br %which, left, right
left:
%access_2 = begin_access [deinit] [static] %stack : $*S2
%s1_addr = struct_element_addr %access_2 : $*S2, #S2.s1
%s1 = load [copy] %s1_addr : $*S
apply %end(%s1) : $@convention(thin) (@owned S) -> ()
end_access %access_2 : $*S2
apply %other() : $@convention(thin) () -> ()
br exit
right:
%access_3 = begin_access [deinit] [static] %stack : $*S2
%s2_addr = struct_element_addr %access_3 : $*S2, #S2.s2
%s2 = load [copy] %s2_addr : $*S
apply %end(%s2) : $@convention(thin) (@owned S) -> ()
end_access %access_3 : $*S2
apply %other() : $@convention(thin) () -> ()
br exit
exit:
%instance_3 = apply %get_value_S2() : $@convention(thin) () -> @owned S2
%access_4 = begin_access [modify] [static] %stack : $*S2
store %instance_3 to [assign] %access_4 : $*S2
end_access %access_4 : $*S2
destroy_addr %stack : $*S2
dealloc_stack %stack_addr : $*S2
%retval = tuple ()
return %retval : $()
}
// The struct has three fields:
// s1 is consumed in left but not right
// s2 is consumed in right but not left
// s3 is not consumed
// There is an apply of other after the consumes and at the beginning of exit.
//
// Ensure that the not-consumed-on-this-branch field (s2 in left, s1 in right)
// is destroyed after the apply of other in each branch block. Ensure that the
// unconsumed field is destroyed at function exit--after the apply of other in
// exit.
// CHECK-LABEL: sil [ossa] @simpleTestVar6a : $@convention(thin) () -> () {
// CHECK: [[OTHER:%[^,]+]] = function_ref @other : $@convention(thin) () -> ()
// CHECK: [[STACK:%[^,]+]] = alloc_stack $S3
// CHECK: cond_br {{%[^,]+}}, [[LEFT:bb[0-9]+]], [[RIGHT:bb[0-9]+]]
// CHECK: [[LEFT]]:
// CHECK: apply [[OTHER]]() : $@convention(thin) () -> ()
// CHECK: [[S2_ADDR:%[^,]+]] = struct_element_addr [[STACK]] : $*S3, #S3.s2
// CHECK: destroy_addr [[S2_ADDR]] : $*S
// CHECK: br [[EXIT:bb[0-9]+]]
// CHECK: [[RIGHT]]:
// CHECK: apply [[OTHER]]() : $@convention(thin) () -> ()
// CHECK: [[S1_ADDR:%[^,]+]] = struct_element_addr [[STACK]] : $*S3, #S3.s1
// CHECK: destroy_addr [[S1_ADDR]] : $*S
// CHECK: br [[EXIT]]
// CHECK: [[EXIT]]:
// CHECK: apply [[OTHER]]() : $@convention(thin) () -> ()
// CHECK: [[S3_ADDR:%[^,]+]] = struct_element_addr [[STACK]] : $*S3, #S3.s3
// CHECK: destroy_addr [[S3_ADDR]] : $*S
// CHECK-LABEL: } // end sil function 'simpleTestVar6a'
sil [ossa] @simpleTestVar6a : $@convention(thin) () -> () {
bb0:
%condition = function_ref @condition : $@convention(thin) () -> Builtin.Int1
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%get_value_S3 = function_ref @get_value_S3 : $@convention(thin) () -> @owned S3
%other = function_ref @other : $@convention(thin) () -> ()
%stack_addr = alloc_stack $S3
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S3
%instance_1 = apply %get_value_S3() : $@convention(thin) () -> @owned S3
store %instance_1 to [init] %stack : $*S3
%instance_2 = apply %get_value_S3() : $@convention(thin) () -> @owned S3
%access_1 = begin_access [modify] [static] %stack : $*S3
store %instance_2 to [assign] %access_1 : $*S3
end_access %access_1 : $*S3
%which = apply %condition() : $@convention(thin) () -> Builtin.Int1
cond_br %which, left, right
left:
%access_2 = begin_access [deinit] [static] %stack : $*S3
%s1_addr = struct_element_addr %access_2 : $*S3, #S3.s1
%s1 = load [copy] %s1_addr : $*S
apply %end(%s1) : $@convention(thin) (@owned S) -> ()
end_access %access_2 : $*S3
apply %other() : $@convention(thin) () -> ()
br exit
right:
%access_3 = begin_access [deinit] [static] %stack : $*S3
%s2_addr = struct_element_addr %access_3 : $*S3, #S3.s2
%s2 = load [copy] %s2_addr : $*S
apply %end(%s2) : $@convention(thin) (@owned S) -> ()
end_access %access_3 : $*S3
apply %other() : $@convention(thin) () -> ()
br exit
exit:
apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S3
dealloc_stack %stack_addr : $*S3
%retval = tuple ()
return %retval : $()
}
/// The fields #S3.s1 and #S3.s3 are consumed in left but not right.
/// So they should be live until the end of right.
/// The field #S3.s2 is consumed in right but not left.
/// So it should be live until the end of left.
///
// CHECK-LABEL: sil [ossa] @simpleTestVar6b : {{.*}} {
// CHECK: {{bb[0-9]+}}:
// CHECK: [[OTHER:%[^,]+]] = function_ref @other
// CHECK: [[STACK:%[^,]+]] = alloc_stack
// CHECK: cond_br {{%[^,]+}}, [[LEFT:bb[0-9]+]], [[RIGHT:bb[0-9]+]]
// CHECK: [[LEFT]]:
// CHECK: apply [[OTHER]]()
// CHECK: [[S2_ADDR:%[^,]+]] = struct_element_addr [[STACK]] : $*S3, #S3.s2
// CHECK: destroy_addr [[S2_ADDR]]
// CHECK: br [[EXIT:bb[0-9]+]]
// CHECK: [[RIGHT]]:
// CHECK: apply [[OTHER]]()
// CHECK: [[S3_ADDR:%[^,]+]] = struct_element_addr [[STACK]] : $*S3, #S3.s3
// CHECK: destroy_addr [[S3_ADDR]]
// CHECK: [[S1_ADDR:%[^,]+]] = struct_element_addr [[STACK]] : $*S3, #S3.s1
// CHECK: destroy_addr [[S1_ADDR]]
// CHECK: br [[EXIT]]
// CHECK: [[EXIT]]:
// CHECK-LABEL: } // end sil function 'simpleTestVar6b'
sil [ossa] @simpleTestVar6b : $@convention(thin) () -> () {
entry:
%condition = function_ref @condition : $@convention(thin) () -> Builtin.Int1
%end = function_ref @end : $@convention(thin) (@owned S) -> ()
%get_value_S3 = function_ref @get_value_S3 : $@convention(thin) () -> @owned S3
%other = function_ref @other : $@convention(thin) () -> ()
%stack_addr = alloc_stack $S3
%stack = mark_unresolved_non_copyable_value [consumable_and_assignable] %stack_addr : $*S3
%instance_1 = apply %get_value_S3() : $@convention(thin) () -> @owned S3
store %instance_1 to [init] %stack : $*S3
%instance_2 = apply %get_value_S3() : $@convention(thin) () -> @owned S3
%access_1 = begin_access [modify] [static] %stack : $*S3
store %instance_2 to [assign] %access_1 : $*S3
end_access %access_1 : $*S3
%which = apply %condition() : $@convention(thin) () -> Builtin.Int1
cond_br %which, left, right
left:
%access_2 = begin_access [deinit] [static] %stack : $*S3
%s1_addr = struct_element_addr %access_2 : $*S3, #S3.s1
%s1 = load [copy] %s1_addr : $*S
apply %end(%s1) : $@convention(thin) (@owned S) -> ()
end_access %access_2 : $*S3
%access_3 = begin_access [deinit] [static] %stack : $*S3
%s3_addr = struct_element_addr %access_3 : $*S3, #S3.s3
%s3 = load [copy] %s3_addr : $*S
apply %end(%s3) : $@convention(thin) (@owned S) -> ()
end_access %access_3 : $*S3
apply %other() : $@convention(thin) () -> ()
br exit
right:
%access_4 = begin_access [deinit] [static] %stack : $*S3
%s2_addr = struct_element_addr %access_4 : $*S3, #S3.s2
%s2 = load [copy] %s2_addr : $*S
apply %end(%s2) : $@convention(thin) (@owned S) -> ()
end_access %access_4 : $*S3
apply %other() : $@convention(thin) () -> ()
br exit
exit:
apply %other() : $@convention(thin) () -> ()
destroy_addr %stack : $*S3
dealloc_stack %stack_addr : $*S3
%retval = tuple ()
return %retval : $()
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// }} Multiple blocks
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// =============================================================================
// =============================================================================
// }} Multiple defs
// =============================================================================
// =============================================================================
// #############################################################################
// #############################################################################
// }} AGGREGATE STORAGE
// #############################################################################
// #############################################################################
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